Home / 9,251.92-12,768.89-5,219.58

Finding the Fourth Proportional to 9,251.92, 12,768.89 and 5,219.58

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Solution

The fourth proportional to 9,251.92, 12,768.89 and 5,219.58 is: 7,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.92 : 12,768.89 = 5,219.58 : x
  2. Step 2: Convert to fraction form
    9,251.92/12,768.89 = 5,219.58/x
  3. Step 3: Cross multiply
    9,251.92x = 12,768.89 × 5,219.58
  4. Step 4: Simplify right side
    9,251.92x = 66,648,152.92
  5. Step 5: Solve for x
    x = 66,648,152.92/9,251.92
  6. Step 6: Final answer
    x = 7,203.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.